Re: MV Keys

From: Jon Heggland <heggland_at_idi.ntnu.no>
Date: Mon, 6 Mar 2006 11:13:10 +0100
Message-ID: <MPG.1e76299fd6787220989788_at_news.ntnu.no>


In article <A12Of.24$FN1.14_at_trndny04>, dcressey_at_verizon.net says...
> > Join is crucial, and depends on equality between "cells". But with
> > multiple values, how do you define equality?
> >
> > Is (apples, pears) equal to (pears, apples)?
>
> An alternative example would be:
> Is (onions, mushrooms) equal to (mushrooms, onions)?
> I bleieve I've aske this question several times.

I think the answer is obvious: It is whatever we define it to be. We just have to make the decision at some point.

-- 
Jon
Received on Mon Mar 06 2006 - 11:13:10 CET

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